Choose a strategy and solve.Originally your car cost $13,661. Four years later your car cost $19,291. How much did the price increase?
A. No increase, it was a decrease.
B. $6630
C. $4630
D. $5630
Answer: D
Mathematics
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Express the rational number as a terminating or repeating decimal number.
A. 0.
B. 0.
C. 0.
D. 0.7
Mathematics
Multiply and write the result in standard form.(4 + 7i)(3 + 6i)
A. 42i2 + 45i + 12 B. -30 - 45i C. 54 - 3i D. -30 + 45i
Mathematics
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.4 + 
+ 5 + 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Suppose the consumption of electricity grows at 4.3% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 69.77 yr B. 25.55 yr C. 2.55 yr D. 0.26 yr
Mathematics